New Lower Shipping Rates! Get the industry's best ground prices and save more—especially on longer lengths.  

Explore OLM Rewards

Open for Orders 24/7!

Deals
Get a Quick Quote!
rectangle-bar-large-new-min-4superZoom

Carbon Steel Rectangle Bar

-691 Products

Carbon Steel Product Guide Product

Carbon steel flat bar is one of the most widely used materials on the planet. You'll find rectangular bar in everything from building construction to household appliances. We carry carbon steel flat bar in A36, 1018, 1045, 1075, 1084, 1095, 11L17, 15N20, 26C3, 52100, and 80CrV2. Most cold-rolled steel flat bar stock is available in full-size and custom-cut lengths.

 

Relevant Knowledge Hub Resources: 5 Reasons to Cut to Size | Hot Roll vs Cold Roll Steel

Sort by

Relevance
  • Relevance
  • Size
  • Price:Low to High
  • Product Name: A to Z
  • Product Name: Z to A
  • Price:High to Low

Close

Refine Your Results

Clear Search

Filters

Temper

Production Method

Domestic

DFARS

seller

Material

Alloy/Type

Shape

.160" x 3.0" Carbon Steel Rectangle Bar 1084 - 
Part #: mp-00001278

.160" x 3.0" Carbon Steel Rectangle Bar 1084 -
Part #: mp-00001278

Click for more details

Dimensions

  • Thickness: 0.16"
  • Width: 3"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 11.6″ (11.6 in.) - $32.10 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

$32.10 ea.
$32.10 for 1
Sold and shipped by Alpha Knife Supply

.160" x 2.0" Carbon Steel Rectangle Bar 1084 - 
Part #: mp-00001282

.160" x 2.0" Carbon Steel Rectangle Bar 1084 -
Part #: mp-00001282

Click for more details

Dimensions

  • Thickness: 0.16"
  • Width: 2"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 11.6″ (11.6 in.) - $22.00 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

$22.00 ea.
$22.00 for 1
Sold and shipped by Alpha Knife Supply

.060" x 2.0" Carbon Steel Rectangle Bar 1095 - 
Part #: mp-00001266

.060" x 2.0" Carbon Steel Rectangle Bar 1095 -
Part #: mp-00001266

Click for more details

Dimensions

  • Thickness: 0.06"
  • Width: 2"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 11.6″ (11.6 in.) - $9.90 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

$9.90 ea.
$9.90 for 1
Sold and shipped by Alpha Knife Supply

.120" x 2.0" Carbon Steel Rectangle Bar 1084 - 
Part #: mp-00001277

.120" x 2.0" Carbon Steel Rectangle Bar 1084 -
Part #: mp-00001277

Click for more details

Dimensions

  • Thickness: 0.12"
  • Width: 2"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 11.6″ (11.6 in.) - $19.20 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

$19.20 ea.
$19.20 for 1
Sold and shipped by Alpha Knife Supply

1/2" x 2" Carbon Steel Rectangle Bar A588 Weathering Steel - 
Part #: 27812

1/2" x 2" Carbon Steel Rectangle Bar A588 Weathering Steel -
Part #: 27812

Click for more details

Dimensions

  • Thickness: 0.5"
  • Width: 2"
See all available dimensions for this product
  • 12″ (1 ft.) - $8.44 ea.
  • 24″ (2 ft.) - $16.42 ea.
  • 36″ (3 ft.) - $22.41 ea.

    Buy 4 at the 12 ft price!

  • 48″ (4 ft.) - $27.95 ea.
  • 72″ (6 ft.) - $39.47 ea.
  • 96″ (8 ft.) - $49.16 ea.
  • 144″ (12 ft.) - $61.20 ea.
  • 240″ (20 ft.) - $102.00 ea. -LTL freight rates apply
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.
Create Custom Cut

QTY

$8.44 ea.
$8.44 for 1

1/4" x 2" Carbon Steel Rectangle Bar A588 Weathering Steel - 
Part #: 27808

1/4" x 2" Carbon Steel Rectangle Bar A588 Weathering Steel -
Part #: 27808

Click for more details

Dimensions

  • Thickness: 0.25"
  • Width: 2"
See all available dimensions for this product
  • 12″ (1 ft.) - $4.50 ea.
  • 24″ (2 ft.) - $8.78 ea.
  • 36″ (3 ft.) - $11.97 ea.

    Buy 4 at the 12 ft price!

  • 48″ (4 ft.) - $14.93 ea.
  • 72″ (6 ft.) - $21.06 ea.
  • 96″ (8 ft.) - $26.24 ea.
  • 144″ (12 ft.) - $32.68 ea.
  • 240″ (20 ft.) - $54.45 ea. -LTL freight rates apply
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.
Create Custom Cut

QTY

$4.50 ea.
$4.50 for 1

3/8" x 2" Carbon Steel Rectangle Bar A588 Weathering Steel - 
Part #: 27810

3/8" x 2" Carbon Steel Rectangle Bar A588 Weathering Steel -
Part #: 27810

Click for more details

Dimensions

  • Thickness: 0.375"
  • Width: 2"
See all available dimensions for this product
  • 12″ (1 ft.) - $7.81 ea.
  • 24″ (2 ft.) - $15.20 ea.
  • 36″ (3 ft.) - $20.75 ea.

    Buy 4 at the 12 ft price!

  • 48″ (4 ft.) - $25.88 ea.
  • 72″ (6 ft.) - $36.55 ea.
  • 96″ (8 ft.) - $45.52 ea.
  • 144″ (12 ft.) - $56.64 ea.
  • 240″ (20 ft.) - $94.41 ea. -LTL freight rates apply
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.
Create Custom Cut

QTY

$7.81 ea.
$7.81 for 1

1/2" x 1" Carbon Steel Rectangle Bar A588 Weathering Steel - 
Part #: 27811

1/2" x 1" Carbon Steel Rectangle Bar A588 Weathering Steel -
Part #: 27811

Click for more details

Dimensions

  • Thickness: 0.5"
  • Width: 1"
See all available dimensions for this product
  • 12″ (1 ft.) - $4.50 ea.
  • 24″ (2 ft.) - $9.01 ea.
  • 36″ (3 ft.) - $12.28 ea.

    Buy 4 at the 12 ft price!

  • 48″ (4 ft.) - $15.30 ea.
  • 72″ (6 ft.) - $21.62 ea.
  • 96″ (8 ft.) - $26.92 ea.
  • 144″ (12 ft.) - $33.53 ea.
  • 240″ (20 ft.) - $55.87 ea. -LTL freight rates apply
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.
Create Custom Cut

QTY

$4.50 ea.
$4.50 for 1

1/4" x 3" Carbon Steel Rectangle Bar A588 Weathering Steel - 
Part #: 27809

1/4" x 3" Carbon Steel Rectangle Bar A588 Weathering Steel -
Part #: 27809

Click for more details

Dimensions

  • Thickness: 0.25"
  • Width: 3"
See all available dimensions for this product
  • 12″ (1 ft.) - $6.92 ea.
  • 24″ (2 ft.) - $13.50 ea.
  • 36″ (3 ft.) - $18.41 ea.

    Buy 4 at the 12 ft price!

  • 48″ (4 ft.) - $22.96 ea.
  • 72″ (6 ft.) - $32.44 ea.
  • 96″ (8 ft.) - $40.40 ea.
  • 144″ (12 ft.) - $50.27 ea.
  • 240″ (20 ft.) - $83.80 ea. -LTL freight rates apply
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.
Create Custom Cut

QTY

$6.92 ea.
$6.92 for 1

.192" x 3.0" Carbon Steel Rectangle Bar 1075 - 
Part #: mp-00001143

.192" x 3.0" Carbon Steel Rectangle Bar 1075 -
Part #: mp-00001143

Click for more details

Dimensions

  • Thickness: 0.192"
  • Width: 3"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 11.6″ (11.6 in.) - $24.40 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

$24.40 ea.
$24.40 for 1
Sold and shipped by Alpha Knife Supply

.058" x 2.0" Carbon Steel Rectangle Bar 1075 - 
Part #: mp-00001296

.058" x 2.0" Carbon Steel Rectangle Bar 1075 -
Part #: mp-00001296

Click for more details

Dimensions

  • Thickness: 0.058"
  • Width: 2"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 11.6″ (11.6 in.) - $11.00 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

$11.00 ea.
$11.00 for 1
Sold and shipped by Alpha Knife Supply

.250" x 2.0" Carbon Steel Rectangle Bar 26C3 - 
Part #: mp-00001166

.250" x 2.0" Carbon Steel Rectangle Bar 26C3 -
Part #: mp-00001166

Click for more details

Dimensions

  • Thickness: 0.25"
  • Width: 2"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 11.6″ (11.6 in.) - $26.50 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

$26.50 ea.
$26.50 for 1
Sold and shipped by Alpha Knife Supply

.250" x 3.0" Carbon Steel Rectangle Bar 15N20 - 
Part #: mp-00001170

.250" x 3.0" Carbon Steel Rectangle Bar 15N20 -
Part #: mp-00001170

Click for more details

Dimensions

  • Thickness: 0.25"
  • Width: 3"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 11.6″ (11.6 in.) - $42.80 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

$42.80 ea.
$42.80 for 1
Sold and shipped by Alpha Knife Supply

.080" x 3.0" Carbon Steel Rectangle Bar 15N20 - 
Part #: mp-00001173

.080" x 3.0" Carbon Steel Rectangle Bar 15N20 -
Part #: mp-00001173

Click for more details

Dimensions

  • Thickness: 0.08"
  • Width: 3"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 11.6″ (11.6 in.) - $18.30 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

$18.30 ea.
$18.30 for 1
Sold and shipped by Alpha Knife Supply

.144" x 3.0" Carbon Steel Rectangle Bar 26C3 - 
Part #: mp-00001171

.144" x 3.0" Carbon Steel Rectangle Bar 26C3 -
Part #: mp-00001171

Click for more details

Dimensions

  • Thickness: 0.144"
  • Width: 3"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 11.6″ (11.6 in.) - $23.50 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

$23.50 ea.
$23.50 for 1
Sold and shipped by Alpha Knife Supply

.080" x 2.0" Carbon Steel Rectangle Bar 15N20 - 
Part #: mp-00001158

.080" x 2.0" Carbon Steel Rectangle Bar 15N20 -
Part #: mp-00001158

Click for more details

Dimensions

  • Thickness: 0.08"
  • Width: 2"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 11.6″ (11.6 in.) - $13.80 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

$13.80 ea.
$13.80 for 1
Sold and shipped by Alpha Knife Supply

.118" x 2.0" Carbon Steel Rectangle Bar 26C3 - 
Part #: mp-00001162

.118" x 2.0" Carbon Steel Rectangle Bar 26C3 -
Part #: mp-00001162

Click for more details

Dimensions

  • Thickness: 0.118"
  • Width: 2"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 11.6″ (11.6 in.) - $16.40 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

$16.40 ea.
$16.40 for 1
Sold and shipped by Alpha Knife Supply

.144" x 2.0" Carbon Steel Rectangle Bar 26C3 - 
Part #: mp-00001161

.144" x 2.0" Carbon Steel Rectangle Bar 26C3 -
Part #: mp-00001161

Click for more details

Dimensions

  • Thickness: 0.144"
  • Width: 2"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 11.6″ (11.6 in.) - $18.80 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

$18.80 ea.
$18.80 for 1
Sold and shipped by Alpha Knife Supply

.100" x 1.5" Carbon Steel Rectangle Bar 26C3 - 
Part #: mp-00001163

.100" x 1.5" Carbon Steel Rectangle Bar 26C3 -
Part #: mp-00001163

Click for more details

Dimensions

  • Thickness: 0.1"
  • Width: 1.5"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 11.6″ (11.6 in.) - $12.00 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

$12.00 ea.
$12.00 for 1
Sold and shipped by Alpha Knife Supply

.118" x 3.0" Carbon Steel Rectangle Bar 26C3 - 
Part #: mp-00001160

.118" x 3.0" Carbon Steel Rectangle Bar 26C3 -
Part #: mp-00001160

Click for more details

Dimensions

  • Thickness: 0.118"
  • Width: 3"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 11.6″ (11.6 in.) - $21.10 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

$21.10 ea.
$21.10 for 1
Sold and shipped by Alpha Knife Supply

.118" x 1.5" Carbon Steel Rectangle Bar 26C3 - 
Part #: mp-00001165

.118" x 1.5" Carbon Steel Rectangle Bar 26C3 -
Part #: mp-00001165

Click for more details

Dimensions

  • Thickness: 0.118"
  • Width: 1.5"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 11.6″ (11.6 in.) - $13.30 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

$13.30 ea.
$13.30 for 1
Sold and shipped by Alpha Knife Supply

.144" x 1.5" Carbon Steel Rectangle Bar 26C3 - 
Part #: mp-00001174

.144" x 1.5" Carbon Steel Rectangle Bar 26C3 -
Part #: mp-00001174

Click for more details

Dimensions

  • Thickness: 0.144"
  • Width: 1.5"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 11.6″ (11.6 in.) - $15.60 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

$15.60 ea.
$15.60 for 1
Sold and shipped by Alpha Knife Supply

.100" x 3.0" Carbon Steel Rectangle Bar 26C3 - 
Part #: mp-00001177

.100" x 3.0" Carbon Steel Rectangle Bar 26C3 -
Part #: mp-00001177

Click for more details

Dimensions

  • Thickness: 0.1"
  • Width: 3"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 11.6″ (11.6 in.) - $19.70 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

$19.70 ea.
$19.70 for 1
Sold and shipped by Alpha Knife Supply

.080" x 3.0" Carbon Steel Rectangle Bar 52100 - 
Part #: mp-00001181

.080" x 3.0" Carbon Steel Rectangle Bar 52100 -
Part #: mp-00001181

Click for more details

Dimensions

  • Thickness: 0.08"
  • Width: 3"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 11.6″ (11.6 in.) - $22.00 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

$22.00 ea.
$22.00 for 1
Sold and shipped by Alpha Knife Supply

.080" x 2.0" Carbon Steel Rectangle Bar 26C3 - 
Part #: mp-00001176

.080" x 2.0" Carbon Steel Rectangle Bar 26C3 -
Part #: mp-00001176

Click for more details

Dimensions

  • Thickness: 0.08"
  • Width: 2"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 11.6″ (11.6 in.) - $15.50 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

$15.50 ea.
$15.50 for 1
Sold and shipped by Alpha Knife Supply

Can't find what you're looking for?

Contact us for a custom quote